Received: 1 Aug, 2012 Accepted: 14 Sep, 2012

Abstract

Background & Aims: Leech biting in human and animals is accompanied by nasal bleeding, vaginal bleeding, rectal bleeding, hematemesis, and hemoptesis and cause indication the anemia.

Materials & Methods: In this experimental study the anti limnatis nilotica effects of differens doses of levamisole, albendazole and niclosamide on leeches was investigated with anti leech assay. The data were analyzed with SPSS  software and variants analysis (M±SD).

Result: The results shown that the average time death of leech for separate doses of levamisole with dose of 100, 200 and 300 mg 10.22±2.22, 8.33±1.93 and 6.77±2.22 minutes, respectively, and  for niclosamide with doses of  100, 200 and 300 mg 32.22±6.03, 26.33±9.19 and 20.22±5.82 minutes killed the leeches. The treatments of 100, 200 and 300 mg of albendazole and 100 ml of distilled water hadn’t any effects on leeches.

Conclusion: Levamisole and niclosamide had the high effects on leeches and can be effective in leech contamination.